Kelly automatic leakproof valve is connected with lower end of Kelly stem, to avoid drilling fluid in Kelly stem in spilling out and dirtying drill floor and operation environment.during in drilling and making a connection ,use Kelly automatic leakproof valve to save drill fluid ,and maintain good operation,otherwise the tool operates simplely, work reliably,and because of main parts adopt wear-resisting materials, sourproof,service life is long ,etc
Specification of Kelly Splash Valve
Type
|
O.D. mm(in)
|
I.D. mm(in)
|
Joint Thread
|
FJF102
|
102(4 1/32)
|
38(1 1/2)
|
NC31
|
FJF146
|
146(5 3/4)
|
45(1 3/4)
|
NC38
|
FJF159
|
159(6 1/4)
|
50(2)
|
NC50
|
FJF165
|
165(6 1/2)
|
50(2)
|
NC50
|
FJF178
|
178(7)
|
57(2 1/4)
|
NC50
|
FJF184
|
184(7 1/4)
|
57(2 1/4)
|
NC50
|
FJF190
|
190(7 1/2)
|
70(2 3/4)
|
NC50
|
FJF200
|
200(7 7/8)
|
70(2 3/4)
|
NC50
|
FJF210
|
210(8 1/4)
|
70(2 3/4)
|
NC50
|